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<html>
<head>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/testharness-adapter.js"></script>
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<script type="module">
import {GeolocationMock} from './resources/geolocation-mock.js';

description("Tests that the PositionOptions.maximumAge parameter is correctly applied.");

let mockLatitude = 51.478;
let mockLongitude = -0.166;
let mockAccuracy = 100.0;

const mockMessage = 'test';

let position;
let error;

function checkPosition(p) {
    position = p;
    assert_equals(position.coords.latitude, mockLatitude);
    assert_equals(position.coords.longitude, mockLongitude);
    assert_equals(position.coords.accuracy, mockAccuracy);
}

function checkError(e) {
    error = e;
    assert_equals(error.code, error.POSITION_UNAVAILABLE);
    assert_equals(error.message, mockMessage);
}

const mock = new GeolocationMock();
mock.setGeolocationPermission(true);
mock.setGeolocationPosition(mockLatitude, mockLongitude, mockAccuracy);

// Initialize the cached Position
navigator.geolocation.getCurrentPosition(function(p) {
    checkPosition(p);
    testZeroMaximumAge();
}, function(e) {
    testFailed('Error callback invoked unexpectedly');
    finishJSTest();
});

function testZeroMaximumAge() {
    // Update the position provided by the mock service.
    mock.setGeolocationPosition(++mockLatitude, ++mockLongitude, ++mockAccuracy);
    // The default maximumAge is zero, so we expect the updated position from the service.
    navigator.geolocation.getCurrentPosition(function(p) {
        checkPosition(p);
        testNonZeroMaximumAge();
    }, function(e) {
        testFailed('Error callback invoked unexpectedly');
        finishJSTest();
    });
}

function testNonZeroMaximumAge() {
    // Update the mock service to report an error.
    mock.setGeolocationPositionUnavailableError(mockMessage);
    // The maximumAge is non-zero, so we expect the cached position, not the error from the service.
    navigator.geolocation.getCurrentPosition(function(p) {
        checkPosition(p);
        testNegativeValueMaximumAge();
    }, function(e) {
        testFailed('Error callback invoked unexpectedly');
        finishJSTest();
    }, {maximumAge: 1000});
}

function testNegativeValueMaximumAge() {
    // Update the position provided by the mock service.
    mock.setGeolocationPosition(++mockLatitude, ++mockLongitude, ++mockAccuracy);
    // The maximumAge is same as zero, so we expect the updated position from the service.
    navigator.geolocation.getCurrentPosition(function(p) {
        checkPosition(p);
        testOverSignedIntMaximumAge();
    }, function(e) {
        testFailed('Error callback invoked unexpectedly');
        finishJSTest();
    }, {maximumAge: -1000});
}

function testOverSignedIntMaximumAge() {
    // Update the mock service to report an error.
    mock.setGeolocationPositionUnavailableError(mockMessage);
    // The maximumAge is non-zero, so we expect the cached position, not the error from the service.
    navigator.geolocation.getCurrentPosition(function(p) {
        checkPosition(p);
        testOverUnsignedIntMaximumAge();
    }, function(e) {
        testFailed('Error callback invoked unexpectedly');
        finishJSTest();
    }, {maximumAge: 2147483648});
}

function testOverUnsignedIntMaximumAge() {
    // Update the mock service to report an error.
    mock.setGeolocationPositionUnavailableError(mockMessage);
    // The maximumAge is max-value of unsigned, so we expect the cached position, not the error from the service.
    navigator.geolocation.getCurrentPosition(function(p) {
        checkPosition(p);
        testZeroMaximumAgeError();
    }, function(e) {
        testFailed('Error callback invoked unexpectedly');
        finishJSTest();
    }, {maximumAge: 4294967296});
}

function testZeroMaximumAgeError() {
    // The default maximumAge is zero, so we expect the error from the service.
    navigator.geolocation.getCurrentPosition(function(p) {
        testFailed('Success callback invoked unexpectedly');
        finishJSTest();
    }, function(e) {
        checkError(e);
        finishJSTest();
    });
}
</script>
</body>
</html>
